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I'm trying to create a conditional twig function in a template I created for my website's home page (page--front.html.twig). Twig can supposedly do this out of the box, but I can't get this approach to work. The h1 is not being rendered, and no errors are being thrown. Here's the resource I used: http://enarion.net/news/2012/access-cookies-in-a-twig-template-using-symfony2/

In my template, I've added the following code:

{% if app.request.cookies.has('loader-activated') %}
    <h1>You have chosen your cookie brand!</h1>
{% endif %}

I'm using Cookie.js to declare my cookies. I've confirmed that it is working using a Chrome extension: enter image description here

Am I doing something wrong? I'm not strictly a developer, and have very limited abilities with Drupal 8 templating, so I'm sure it's something pretty obvious. If app.request.cookies isn't the best approach, what else should I use? I'd prefer that it is something simple, if possible!

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  • Is {{ dump(app.request.cookies) }} or {{ app.request.cookies.get('loader-activated') }} returning anything?
    – leymannx
    Mar 12, 2019 at 17:56
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    Possible duplicate of How to correctly use cookies? (Twig and cache context)
    – leymannx
    Mar 12, 2019 at 17:57
  • @leymannx Neither return anything. I've looked at that post, but it's not very straight forward for me.
    – Kellen
    Mar 12, 2019 at 18:07
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    Thats because that is a symfony application construct, they will be empty because Drupal does not have those.
    – Kevin
    Mar 12, 2019 at 18:16
  • That means the other answer may be the way to go. Read cookies with PHP in a preprocess function and pass the value to Twig. But then you still need to find a way to bust the cache somehow.
    – leymannx
    Mar 12, 2019 at 18:30

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